/*
 * Copyright (c) 2008 Polaric
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the
 *   distribution.
 * - Neither the name of Polaric nor the names of its contributors may
 *   be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL POLARIC OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * 
 * @author Martin Leopold <leopold@polaric.dk>
 *
 */

generic module Hplcip51GeneralIOP() {

  uses interface Hplcip51IO as in;
  provides interface GeneralIO as out;
} implementation {

  /**
   * Implementation of the GeneralIO interface using the CIP-51
   * specific inputs.
   *
   * See datasheet section 15.2 for more.
   */

  inline async command bool out.get()        { return (call in.get()); }
  inline async command void out.set()        { call in.set(); }
  inline async command void out.clr()        { call in.clr(); }
  async command void        out.toggle()     { atomic { call in.toggle(); } }
  inline async command bool out.isInput()    { return (call in.isAnalogInput() &
                                                       call in.isOpenDrain() &
                                                       (bool) call in.get()
                                                       );
  }
  inline async command bool out.isOutput()   { return call in.isPushPull(); }
  inline async command void out.makeInput()  { call in.disableAnalogInput(); // ie. digital input
                                               call in.makeOpenDrain();
                                               call in.set();
  } 
  inline async command void out.makeOutput() { //call in.disableAnalogInput(); //Crashes the platform!?
                                               call in.makePushPull();
  }

}
